From patchwork Tue Sep 7 16:46:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Norris X-Patchwork-Id: 12479149 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BDF42C433F5 for ; Tue, 7 Sep 2021 16:46:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A42B8610C9 for ; Tue, 7 Sep 2021 16:46:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344912AbhIGQr4 (ORCPT ); Tue, 7 Sep 2021 12:47:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344807AbhIGQrz (ORCPT ); Tue, 7 Sep 2021 12:47:55 -0400 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34792C061575 for ; Tue, 7 Sep 2021 09:46:49 -0700 (PDT) Received: by mail-pj1-x102a.google.com with SMTP id u13-20020a17090abb0db0290177e1d9b3f7so1918842pjr.1 for ; Tue, 07 Sep 2021 09:46:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6zxeKOcsz9PYV/EBnoSP2OdS5qZkC/DOANNRm4GawZs=; b=EQY9LK0nlvbjdUDnGXYe/WMeXa86iXkGcxnQ5KO02Msq3CWuYqZAizkmwMyuJ2efAI DCEZDEoJCZMjfKabsFLEeoSYk8j18WhslDWHa8IMJaSLQ6iLe+mJFpAdtRrb1WfeQY9+ ziEmjymz4N5LUDD7tEzIEkfCzmCGkDYFWxtn0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6zxeKOcsz9PYV/EBnoSP2OdS5qZkC/DOANNRm4GawZs=; b=DNjyp3jy/J7WkWpn4fEkpZg3+dCOW5KQwJWSWmlw6/4pWGnAxQr/q0+6KDmSO4bVL4 oiyR/cixv6cd/ZZ6KBwaDR12bfNw9ky4OpphS8+GdeUiHZQlBoI9nxRXhfxdwSYaWKsL iLnbS0/j/Dqs6/fBrJIp3iNbpru5W+cF1pNWg+wSUWN9Zyi3XpPN0vjiLFSJnamoqEZn 5XF5lpnk5vuBuZtzSGMJpLejQfwDa4wlnekF6MM7CxbbDUiYurf5gBA3PSEXnqjWG+RX oP84QialdKrihBL3CDzmwpEux9gy2WuWzv24rmlulva99gl5FcC8oQkfnDBBm/Ri/6cq aa8A== X-Gm-Message-State: AOAM531ihCv2gx5MBzqaAP56DkFJTdnfKDVZVHp9xqw8V5Iz33AEuH7L yY63hyksfe0wLtA1SmlGyhwh6w== X-Google-Smtp-Source: ABdhPJzAMHxXX/5MzVpqqGR29iBTi/HayR0Rhqwnp/SejsqPflp4g9rejxSjXlgRIy9kau67KDbCZg== X-Received: by 2002:a17:90b:1bcc:: with SMTP id oa12mr5465114pjb.241.1631033208783; Tue, 07 Sep 2021 09:46:48 -0700 (PDT) Received: from localhost ([2620:15c:202:201:7662:6d8e:510:db67]) by smtp.gmail.com with UTF8SMTPSA id ml10sm3253767pjb.9.2021.09.07.09.46.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Sep 2021 09:46:48 -0700 (PDT) From: Brian Norris To: Heiko Stuebner , Michael Turquette , Stephen Boyd Cc: linux-clk@vger.kernel.org, Chen-Yu Tsai , Douglas Anderson , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Brian Norris Subject: [RESEND PATCH 2/2] arm64: dts: rockchip: add Coresight debug range for RK3399 Date: Tue, 7 Sep 2021 09:46:37 -0700 Message-Id: <20210907094628.RESEND.2.Ibc87b4785709543c998cc852c1edaeb7a08edf5c@changeid> X-Mailer: git-send-email 2.33.0.153.gba50c8fa24-goog In-Reply-To: <20210907094628.RESEND.1.If29cd838efbcee4450a62b8d84a99b23c86e0a3f@changeid> References: <20210907094628.RESEND.1.If29cd838efbcee4450a62b8d84a99b23c86e0a3f@changeid> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Per Documentation/devicetree/bindings/arm/coresight-cpu-debug.txt. This IP block can be used for sampling the PC of any given CPU, which is useful in certain panic scenarios where you can't get the CPU to stop cleanly (e.g., hard lockup). Signed-off-by: Brian Norris Reviewed-by: Leo Yan Reviewed-by: Chen-Yu Tsai Reviewed-by: Douglas Anderson --- arch/arm64/boot/dts/rockchip/rk3399.dtsi | 48 ++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index 3871c7fd83b0..c8c62637b600 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi @@ -433,6 +433,54 @@ usbdrd_dwc3_1: usb@fe900000 { }; }; + debug@fe430000 { + compatible = "arm,coresight-cpu-debug", "arm,primecell"; + reg = <0 0xfe430000 0 0x1000>; + clocks = <&cru PCLK_COREDBG_L>; + clock-names = "apb_pclk"; + cpu = <&cpu_l0>; + }; + + debug@fe432000 { + compatible = "arm,coresight-cpu-debug", "arm,primecell"; + reg = <0 0xfe432000 0 0x1000>; + clocks = <&cru PCLK_COREDBG_L>; + clock-names = "apb_pclk"; + cpu = <&cpu_l1>; + }; + + debug@fe434000 { + compatible = "arm,coresight-cpu-debug", "arm,primecell"; + reg = <0 0xfe434000 0 0x1000>; + clocks = <&cru PCLK_COREDBG_L>; + clock-names = "apb_pclk"; + cpu = <&cpu_l2>; + }; + + debug@fe436000 { + compatible = "arm,coresight-cpu-debug", "arm,primecell"; + reg = <0 0xfe436000 0 0x1000>; + clocks = <&cru PCLK_COREDBG_L>; + clock-names = "apb_pclk"; + cpu = <&cpu_l3>; + }; + + debug@fe610000 { + compatible = "arm,coresight-cpu-debug", "arm,primecell"; + reg = <0 0xfe610000 0 0x1000>; + clocks = <&cru PCLK_COREDBG_B>; + clock-names = "apb_pclk"; + cpu = <&cpu_b0>; + }; + + debug@fe710000 { + compatible = "arm,coresight-cpu-debug", "arm,primecell"; + reg = <0 0xfe710000 0 0x1000>; + clocks = <&cru PCLK_COREDBG_B>; + clock-names = "apb_pclk"; + cpu = <&cpu_b1>; + }; + cdn_dp: dp@fec00000 { compatible = "rockchip,rk3399-cdn-dp"; reg = <0x0 0xfec00000 0x0 0x100000>;